<!--
 * @Author: your name
 * @Date: 2022-04-20 11:40:05
 * @LastEditTime: 2022-04-20 23:03:51
 * @LastEditors: Please set LastEditors
 * @Description: 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
 * @FilePath: \算法测试\day0906\4.20.html
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .a,.b,.c,span{
            color: red;
        }
        span,.a{
            color: green;
        }
    </style>
</head>
<body>
    <span class="a b c">77777</span>
    <input type="time" name="" id="">
    <input type="date" name="" id="">
    <input type="datetime" name="" id="">
    <input type="datetime-local" name="" id="">
    <input type="week" name="" id="">
    <input type="month" name="" id="">
    <input type="range" name="" id="">
    <progress max="100"  value="45">
    </progress>
    <meter ></meter>
    <table border="1">
        <tr>
            <!-- <td colspan="3"> -->
                <table border="1" style="width: 100%;">
                    <tr>
                        <td>123</td>
                    </tr>
                </table>
            <!-- </td> -->
        </tr>
        <tr>
            <td>12345</td>
            <td>12345</td>
            <td>12345</td>
        </tr>
    </table>
    <script>
        let a = /^\d{1,10}([.]\d{1,2})?$/
        console.log(a.test('312'));

        let rega = new RegExp("^\\d{1,10}([.]\\d{1,2})?$");
        console.log(rega.test('312'));

        
    </script>
</body>
</html>